Home / 1,219,299.11-1,682,610.72-675,433.21

Finding the Fourth Proportional to 1,219,299.11, 1,682,610.72 and 675,433.21

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Solution

The fourth proportional to 1,219,299.11, 1,682,610.72 and 675,433.21 is: 932,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,299.11 : 1,682,610.72 = 675,433.21 : x
  2. Step 2: Convert to fraction form
    1,219,299.11/1,682,610.72 = 675,433.21/x
  3. Step 3: Cross multiply
    1,219,299.11x = 1,682,610.72 × 675,433.21
  4. Step 4: Simplify right side
    1,219,299.11x = 1,136,491,159,790.01
  5. Step 5: Solve for x
    x = 1,136,491,159,790.01/1,219,299.11
  6. Step 6: Final answer
    x = 932,085.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.